<template>
<div class="icons">
  <swiper :options="swiperOption">
    <swiper-slide v-for="(page,index) of pages" :key="index">
      <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon-img">
          <img class="icon-img-content" :src="item.imgUrl">
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
    </swiper-slide>
  </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style scoped lang="stylus">
@import '~styles/mixins.styl'
@import '~styles/varibles.styl'
.icon >>> .swiper-container {
  /* width:100% */
  overflow :hidden
  padding-bottom: 50%
}
  .icon {
    position :relative
    overflow :hidden
    float:left
    width:25%
    height:0
    padding-bottom:25%
  }
  .icon-img {
    position :absolute
    top:0
    left:0
    right:0
    bottom:1.3rem
    box-sizing:border-box
    padding:.6rem
  }
  .icon-img-content {
    height:100%
    display:block
    margin:0 auto
  }
  .icon-desc {
    position :absolute
    left:0
    right:0
    bottom:-.8rem
    height:1.3rem
    line-height:1.3rem
    text-align:center
    color: $darkTextColor
    ellipsis()
  }
</style>
